package br.com.unitunes.filter;

import java.io.IOException;

import javax.persistence.EntityManager;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import br.com.unitunes.util.HibernateUtil;

public class HibernateSessionFilter implements Filter {

	@Override
	public void destroy() {}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		EntityManager entityManager = HibernateUtil.getEntityManagerFactory().createEntityManager();
		entityManager.getTransaction().begin();
		chain.doFilter(request, response);
		entityManager.getTransaction().commit();
	}

	@Override
	public void init(FilterConfig config) throws ServletException {}
} 
